Plunger lock mechanism



FIG. 1 is a top, front, right side isometric view of a plunger lock mechanism for securement to a barrier frame, such as a patio door frame with the plunger retracted;

FIG. 2 is an isometric view similar to FIG. 1 with the plunger extended for securing a moveable barrier, such as a patio door;

FIG. 3 is a right side elevational view thereof, the opposite side being identical;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The design for a plunger lock mechanism, as shown and described. 